MMA Used to Promote Church Attendance.

The young man was a member of a fight team at Xtreme Ministries, a small church near Nashville that doubles as a mixed martial arts academy. Mr. Renken, who founded the church and academy, doubles as the team’s coach. The school’s motto is “Where Feet, Fist and Faith Collide.”

Mr. Renken’s ministry is one of a small but growing number of evangelical churches that have embraced mixed martial arts — a sport with a reputation for violence and blood that combines kickboxing, wrestling and other fighting styles — to reach and convert young men, whose church attendance has been persistently low.